Koshin KTH-S Serie Instrucciones De Funcionamiento Y Manual De Piezas página 6

TRASH PUMP
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Remove front cover and clean debris from
impeller and interior.
H
front cover
Impeller
SOLUTION②
Check suction hose. In case of no
suction or small delivery, the cause is
usually due to air leakage at suction
A
side. In such case:
Ñ
1. Remove suction hose.
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2. Start engine with
water inside the
pump.
3. Press the palm
of your hand to
cover the suction
hole and wait 30
F
seconds. If you feel
suction on your
palm, the pump is
working fine but
hose connection
Ç
needs correction.
A
I Test for suction
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4. Please check if rubber/gasket packing
is installed and there is any hole in
suction hose.
Hole Hole Flat/crushed
Flat/crushed
in hose in hole hose
hose
Confirm installing packing!
Confirm gasket is installed
SOLUTION③
Confirm the spark plug is clean
and free of debris. Otherwise
use clean cloth to remove
stains and dirt.
Confirm gap between spark
plug. Plug gap should be
0.6-0.7 mm or 0.024-0.028 in.
Adjust gap to be within this
Pump casing
range.
New spark plug may be
required if engine still will not
start after you clean plug and
adjust gap of plug.
CAUTION
T
here are many different types of
spark plugs. Please check and
select correct plugs according to
Engine Operation Manual.
NOTE: A leak between the pump
casing and the engine is usually due to
a damaged mechanical seal.
Refer to a local service center.
Recoil
CAUTION
For assistance with checking and
repair, please ask your nearest sales
store for after sales service.
MAINTENANCE
Mechanical seal replacement
OK
OK
1. Remove knobs by turning
counterclock-wise.
Suction hose Suction hose
Pull handle towards you to remove both
(not discharge (not discharge
front cover and volute casing.
hose) hose)
2. Remove impeller plug.
Place a stick thru hole against
impeller, hammer on stick to loosen impeller.
Unscrew hexagon head in center of impeller.
3. Remove mechanical seal from impeller.
3.Remove mechanical seal from impeller.
6
FIGURE 15
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R
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FIGURE 17